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Yabla Chinese
Videos
Vocabulary
Dictionary
Pinyin Chart
Tone Pairs
Educators
Learn
Spanish
French
German
Italian
Chinese
English
Yabla video uses of
分子
跟
gēn
空气
kōngqì
的
de
接触
jiēchù
面积
miànjī
就
jiù
比较
bǐjiào
大
dà
吸附
xīfù
的
de
氧
yǎng
分子
fēnzǐ
也
yě
多
duō
its contact area with air would become quite large and the amount of absorbed oxygen molecules would be large,
但
dàn
口罩
kǒuzhào
的
de
密闭
mìbì
性
xìng
就
jiù
决定
juédìng
了
le
口罩
kǒuzhào
不可能
bùkěnéng
百分之百
bǎifēnzhībǎi
的
de
阻挡
zǔdǎng
悬浮
xuánfú
颗粒
kēlì
分子
fēnzǐ
but because the masks are not completely airtight, they cannot block 100% of particles.